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I upgraded my 3D printer's X and Z axes to MGN12 linear rails in order to stiffen up the extruder significantly. I also switched the hot bed from glass to a magnetic pad.

I finished a PID toaster oven project from a few years ago. I've been using it to dry out filament. I also made a nice filament dry box to battle oozing.

I thought I was having anxiety over the last couple months, but it just turned out to be all the nerves in my heart electrically failing for no reason. Now I have a pacemaker. I ordered some electronics to capture my own ECG traces so I can detect the pacemaker pulses for fun.



> I thought I was having anxiety over the last couple months, but it just turned out to be all the nerves in my heart electrically failing for no reason. Now I have a pacemaker. I ordered some electronics to capture my own ECG traces so I can detect the pacemaker pulses for fun.

Hope you're feeling better; I know how scary heart stuff can be.

After my own scare (luckily a false positive) I also learned that weird anxiety problems can be heart related. Since then I've started mentioning to people that they should discuss things like that with their doctor. I know many people don't like talking about anxiety with their doctors, thinking it's more a therapist thing, but yeah it can be a heart issue and good doctors can smell a heart problem from a mile away. EKGs are quick and easy.


Thanks! I feel great now that my heart is beating normally. Apparently my heart is in perfect shape other than the faulty wiring. Amusingly, they had to open me up again because of a loose ring terminal. As an embedded software engineer, I am geeking out trying to learn everything I can about pacemakers now. Maybe when I get tired of working on drones, I'll go work on the next generation of pacemakers. Get some tweaks in the next model before my battery dies! I'm just so lucky to be alive at a time that there's an easy off the shelf solution to what would otherwise be a life ending condition.




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